Gravol Natural Source Multi-Symptom is an all-in-one non-drowsy antinauseant, pain reliever and fever reducer. The medicinal ingredients that make this formula so effective are Ginger and Willow Bark extracts, traditional herbal medicines used for centuries. Ginger is traditionally used in Herbal Medicine to help relieve digestive upset like nausea and indigestion. Ginger is also used to prevent vomiting associated with motion sickness and postoperative nausea. Willow Bark is used to relieve headache, fever and mild aches and pains.